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Home » Product List » Twin Screw Barrels » Conical Twin /Single Screw Barrel/Cylinder
Product Details
Conical Twin /Single Screw Barrel/Cylinder
| Packing: | Wooden Case |
|---|---|
| Standard: | International Standard |
| Productivity: | 30, 000sets/Year |
| Unit Price: | Negotiable |
| Shipment Terms: | Container by sea |
| Payment Terms: | L/C,T/T,Western Union |
| Minimum Order: | 1 Set |
| Price Valid Time: | From Oct 26,2011 To Dec 31,2012 |
| HS Code: | 84779000 |
| Trademark: | JH |
| Origin: | Zhejiang of China |
| Export Markets: | North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe |
Product Description
Technical Parameter:
1. Material is 3Cr2W8V, H13(injection chamber), the whole body quenching hardness: HRC60± 2, nitridation hardness: 1050HV, inner hold for fine grinding Ra value 0.4
2. Material: Cr12molvl, the whole body quenching hardness: HRC60± 2, inner hole for fine grinding Ra value 0.4;
3. Diffluencece combing, backflow parts material: Imported SKD61 quenching hardness: Above HRC55 or double alloy structure;
4. Can proceed to plate hard chrome after nitriding screw surface; The thickness for chromeplate is 0.03-0.04mm;
5. The passagewaypart for all kinds of mould, the thickness for plating hard chrome is 0.05-0.08, Polishing fine-coarse degree reach Ra value 0.4-0.2;
| Material | 38CrMOALA, |
| tempering hardness: | 260-290HBS |
| Metallurgical structure: | More than 95% sorbite |
| crystal particle degree | 6-8 grade |
| Nitridation layer depth | 0.4-0.7 |
| Nitridation rigidity on surface: | 940-1050HV |
| brittleness | less than 2 grade |
| thickness: | 2.6-3mm |
